Home / 122,946.90-184,420.35-109,814.10

Finding the Fourth Proportional to 122,946.90, 184,420.35 and 109,814.10

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Solution

The fourth proportional to 122,946.90, 184,420.35 and 109,814.10 is: 164,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,946.90 : 184,420.35 = 109,814.10 : x
  2. Step 2: Convert to fraction form
    122,946.90/184,420.35 = 109,814.10/x
  3. Step 3: Cross multiply
    122,946.90x = 184,420.35 × 109,814.10
  4. Step 4: Simplify right side
    122,946.90x = 20,251,954,756.94
  5. Step 5: Solve for x
    x = 20,251,954,756.94/122,946.90
  6. Step 6: Final answer
    x = 164,721.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.